Home / 1,647,576.84-2,470,887.89-494,776.90

Finding the Fourth Proportional to 1,647,576.84, 2,470,887.89 and 494,776.90

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Solution

The fourth proportional to 1,647,576.84, 2,470,887.89 and 494,776.90 is: 742,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,576.84 : 2,470,887.89 = 494,776.90 : x
  2. Step 2: Convert to fraction form
    1,647,576.84/2,470,887.89 = 494,776.90/x
  3. Step 3: Cross multiply
    1,647,576.84x = 2,470,887.89 × 494,776.90
  4. Step 4: Simplify right side
    1,647,576.84x = 1,222,538,250,461.74
  5. Step 5: Solve for x
    x = 1,222,538,250,461.74/1,647,576.84
  6. Step 6: Final answer
    x = 742,021.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.